47497867 has 4 divisors (see below), whose sum is σ = 47595096. Its totient is φ = 47400640.

The previous prime is 47497823. The next prime is 47497883. The reversal of 47497867 is 76879474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47497867 - 2¹⁹ = 46973579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47497897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47878 + ... + 48859.

It is an arithmetic number, because the mean of its divisors is an integer number (11898774).

Almost surely, 2^47497867 is an apocalyptic number.

47497867 is a deficient number, since it is larger than the sum of its proper divisors (97229).

47497867 is an equidigital number, since it uses as much as digits as its factorization.

47497867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97228.

The product of its digits is 2370816, while the sum is 52.

The square root of 47497867 is about 6891.8696302237. The cubic root of 47497867 is about 362.1524011602.

The spelling of 47497867 in words is "forty-seven million, four hundred ninety-seven thousand, eight hundred sixty-seven".